With bills still on the rise all over the UK, finding a low-cost yet efficient heating system has become the top priority for an increasing number of homeowners. The good news is that there are good high value options available ranging from low-cost combi boilers to cheap boiler replacement, and even government schemes can cover the entire cost of your new heating system.
Ready to find out if you qualify for a free boiler upgrade? Complete our simple 1-minute eligibility form to see if you could be entitled to a new boiler at no cost to you funded by the ECO4 scheme and other government-supported initiatives.
When searching for the cheapest boilers available in the UK, the best models under £1,500 are the prime targets, with many great ones being priced between £600-£1,800. The secret is finding the right balance between cost and reliability, and fortunately, many manufacturers have managed to get this combination right.
The Best Budget Combi Boilers
1. Worcester Bosch Greenstar 1000
The Worcester Bosch Greenstar 1000, priced from £957, is the cheapest product from the brand. Although their cheapest model it still maintains 94% efficiency rating, with a slimline design that accommodates standard kitchen cupboards installations, maintaining aesthetics and saving space. They come with a 5-year warranty included, being reliable, with Worcester Bosch boasting the Which? Best Buy brand heritage.
2. Baxi 600 Series
Considered one of the cheapest combi boilers, the Baxi 600 Combi 2 comes with a price tag between £860-£1,100. The budget price doesn’t mean it is a low performance boiler, this small heavy duty boiler doesn’t compromise on features with its a-rated efficiency and stainless steel heat exchanger for a longer life span. It also weighs a mere 17.5kg for easy installations and comes with a 7-year guarantee.
3. Alpha E-Tec NX
A well known boiler in the cheapest combi boilers category, known to offer high quality and value, the Alpha E-Tec NX. It stands apart for its high quality build that comes at a low cost, covered by a 10 year guarantee when purchased through authorized fitters. Boasts stainless steel heat exchangers, usually only found in premium brands!
Why These Models Represent Exceptional Value
These budget boilers perform well because they prioritize fundamental reliability above upscale features. They perform at maximum energy efficiency (90-94% ratings), with thin design making them convenient for most homes. They also allow easy installations to minimize labour expenses while being covered with comprehensive warranty (5-10 years).
While affordable boiler installation costs can be important, don’t forget long-term savings. New efficient boilers save £400-£800 annually compared to old models.
Low Cost Boiler Replacement: What to Expect
The total cost of cheap boiler installation varies significantly according to complexity, with like-for-like replacement coming at a total cost of between £1,600-£6,000, while combi boiler installation costing between £500-£1,500 labour. System conversions are usually between £1,000-£2,000.
Numerous variables can affect your low cost boiler replacement price:
1. Property Type and Size: Larger properties require boilers with higher output, affecting unit and installation costs.
2. Installation Complexity: Minor swaps are less expensive than rearranging pipework or system conversion.
3. Other Components: Smart controls, filters, and system flushes may add £200-£500.
4. Location: London and South East England typically have a higher 15-20% installation costs.
Your Path to the Cheapest Boiler Solution
With government funding available, you might not need to pay anything at all for your new boiler. The ECO4 scheme represents the ultimate solution when it comes to boiler solutions, offering completely free boiler installations for qualifying households. To be eligible, you typically need:
- To be the homeowner
- Property EPC rating of D or lowe
- Low Income, usually below £31,000 a year or
- A household member is on qualifying benefits
Check your eligibility now to see if you’re eligible for a completely free boiler replacement worth more than £4,000. ECO Boiler Grants only installs the best quality systems on the market from premium brands like Worcester Bosch, while securing you with long-term 12+ years of warranty.
If you are not eligible through the ECO4 scheme, you can still qualify under the ECO Flex, which allows homeowners in need of funding for heating system upgrades to obtain it, if they do not qualify under the usual benefits route.
Your Journey to Affordable Heating
With the cheapest boilers on the market providing safe and efficient heating, it’s not necessary to compromise on anything by installing the best. From budget-friendly Baxi 600 series to free boiler replacements funded by the government under ECO4, there’s something for all homes.
The key is to understand what you require in your specific circumstances, by researching what is best for your situation. If you are eligible under the ECO4 scheme, our team can help determine the best heating system upgrades for your unique needs, installing the best boilers on the market, focusing on reliability and quality.
Note that with government schemes such as ECO4, which runs until March 2026, funds are in limited supply, paid out on first-come, first-served basis, with every moment counting. The earlier you check your eligibility, the earlier you could be reaping the rewards of a brand new premium efficient boiler at no cost to you. Fill in our 1-minute form or contact us to learn more!
